Yes. There are a number of proposals for LTE voice. They include Circuit Switched (CS) Fallback, Single Radio Voice Call Continuity (SRVCC), and the IP Multimedia Subsystem (IMS). The key stage 2 specs that discuss these topics are 23.272 for CS Fallback...

The much higher data rates available to consumers in LTE can bring a change in the way these devices are used today. Imagine the possibility of carrying a high speed 'access-point' like your home cable modem/wireless router anywhere with you!...